How do you write Yosef and Joseph in Hebrew?

Yom huledet sameach leyosef = יום הולדת שמח ליוסף

מה שלומך It is

First you learn the Hebrew alphabet, then you learn the language (words, grammar, etc.), just as if you were learning English, Spanish, Russian or Japanese.

You can write to anyone who understands Hebrew. אתה יכול להתכתב עם כל מי שמבין עברית

Father of the Hebrews = אב העברים